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Finding the Fourth Proportional to 118,364.88, 163,351.88 and 67,377.64

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Solution

The fourth proportional to 118,364.88, 163,351.88 and 67,377.64 is: 92,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,364.88 : 163,351.88 = 67,377.64 : x
  2. Step 2: Convert to fraction form
    118,364.88/163,351.88 = 67,377.64/x
  3. Step 3: Cross multiply
    118,364.88x = 163,351.88 × 67,377.64
  4. Step 4: Simplify right side
    118,364.88x = 11,006,263,707.72
  5. Step 5: Solve for x
    x = 11,006,263,707.72/118,364.88
  6. Step 6: Final answer
    x = 92,985.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.